Battery Testing (IMAGE) Georgia Institute of Technology Caption Small batteries were used to study the spontaneous formation of nanoscale hollow structures in the laboratory of Matthew McDowell at Georgia Tech. Credit Matthew McDowell, Georgia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.